(19)
(11) EP 4 176 540 A1

(12)

(43) Date of publication:
10.05.2023 Bulletin 2023/19

(21) Application number: 20942495.1

(22) Date of filing: 01.07.2020
(51) International Patent Classification (IPC): 
H04J 3/06(2006.01)
H04W 72/12(2023.01)
 H04L 47/00(2022.01)
H04W 88/08(2009.01)
(52) Cooperative Patent Classification (CPC):
H04J 3/0667; H04W 56/0015
(86) International application number:
PCT/SE2020/050693
(87) International publication number:
WO 2022/005350 (06.01.2022 Gazette 2022/01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
164 83 Stockholm (SE)

(72) Inventors:
  • LINS DE MEDEIROS, Eduardo
    174 62 Sundbyberg (SE)
  • ALMEIDA, Igor
    13339-545 Indaiatuba-SP (BR)

(74) Representative: Ericsson 
Patent Development Torshamnsgatan 21-23
164 80 Stockholm
164 80 Stockholm (SE)

   


(54) A FRONTHAUL NETWORK UNIT AND METHOD THEREIN FOR SYNCHRONIZATION OVER A FRONTHAUL NETWORK